| article html file updated | 7 February 2020 13:07 CET | Update | https://www.mdpi.com/1424-8220/16/8/1220 |
| article html file updated | 5 May 2019 07:30 CEST | Update | - |
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| article html file updated | 29 August 2016 12:01 CEST | Update | - |
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| article xml uploaded. | 10 August 2016 09:35 CEST | Update | https://www.mdpi.com/1424-8220/16/8/1220/xml |
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| article pdf uploaded. | 10 August 2016 09:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/16/8/1220/pdf |
